1W32

The 3-dimensional structure of a thermostable mutant of a xylanase (Xyn10A) from Cellvibrio japonicus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	ENDO-1,4-BETA-XYLANASE A PRECURSOR	polymer	348	38590.7	2	UniProt (P14768) Pfam (PF00331)	CELLVIBRIO JAPONICUS	XYLANASE A, 1,4-BETA-D-XYLAN XYLANOHYDROLASE A, XYLA
2	C, F (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, E, G, H, I... (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	9	Chemie (EDO)
4	N, O (A, B)	water	water		18.0	1028	Chemie (HOH)

Sequence modifications

A, B: 0 - 0 (PDB: 1W32)
A, B: 1 - 347 (UniProt: P14768)

PDB	External Database	Details
Asn 262	Asp 526	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77181.4
Non-Polymers*	Number of molecules	11
	Total formula weight	638.8
All*	Total formula weight	77820.1

*Water molecules are not included.